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M151 High Current Calibrator

M151 High Current Calibrator
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Current Calibrator AC / DC current 8 mA…120 A, 15–1000 Hz Total accuracy 275–400 ppm in all ranges Floating output up to 450 Vpk, compliance voltage 8 Vpk Calibration of clamp meters up to 3000 A Real and simulated transconductance amplifier GPIB and RS-232 come as standard Model M151 is a stable high current calibrator up to 120 A. Basic accuracy is 275 ppm. Instrument can be controlled via RS232 or GPIB interface. Calibrator can work in a simulated amplifier mode to increase current ranges of any multifunction calibrator. It is suitable for power meter’s calibration because M151 can be synchronized with the input signal not only in amplitude but also in frequency and phase. Current terminals are isolated up to 450 Vpk against case (protective earth). M151 is a sophisticated instrument with its own recalibration procedure. The procedure enables to adjust any deviation directly from the front panel. Calibrator is designed for checking parameters of amp meters. With current coil it can be used for calibration of clamp meters. Zelezna 3 | 619 00 Brno | Czech Republic | 420 543 250 886 | meatest@meatest.com | www.me

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SPECIFICATION Specifications below describe 1-year absolute accuracy, including long-term stability, linearity, load and line regulation and reference standard measurement uncertainty as well as ambient conditions within specified limits. Warm-up time Reference temperatures GENERAL DATA Operating temperatures Storage temperatures Temperature coefficient Power supply Current range summary Current resolution DC/AC Current (sine amplitude) Frequency range Frequency accuracy Frequency resolution Frequency synchronization Internal, external, power supply Simulated amplifier gain 0.5 – 10 A/V...

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Typical RTA phase shift delay [µs] = 7 x output voltage x range current / output current + 3,5 Applicable multiplier multiplayer x 120 (3000 A with 151-25 Current Coil) Frequency range Additional uncertainty 0.3 % with 151-25 Current coil Zelezna 3 | 619 00 Brno | Czech Republic | 420 543 250 886 | meatest@meatest.com | www.meatest.com

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